add version string from git tags

Signed-off-by: Hajime Tazaki <[email protected]>

.github/workflows/ci.yml

@@ -120,6 +120,7 @@ jobs:
         else
           echo "DOCKER_IMG_VERSION=${{ env.DOCKER_IMG_VERSION_DEFAULT }}" >> $GITHUB_ENV
         fi
+        echo "GO_FLAGS=-ldflags \"-X main.version="${BUILD_VERSION}"\"" >> $GITHUB_ENV
 
     - name: package installation (linux)
       if: runner.os == 'linux' && matrix.arch == 'amd64'
@@ -145,14 +146,16 @@ jobs:
 
     - name: Build
       run: |
-        go install -v .
+        go install ${{ env.GO_FLAGS }} -v .
     - name: Build shim
       if: runner.os == 'macos'
       run: |
-        go install -v ./cmd/containerd-shim-runu-v1
+        go install ${{ env.GO_FLAGS }} -v ./cmd/containerd-shim-runu-v1
     - name: Go Test
+      if: matrix.arch == 'amd64'
       run: |
         sudo go test -v .
+        runu -v
 
     - name: goreportcard
       if: runner.os == 'linux' && matrix.arch == 'amd64'

main.go

@@ -20,12 +20,17 @@ const (
 	pidFile9p   = "runu-9p.pid"
 )
 
+var (
+	version = ""
+)
+
 func main() {
 	app := cli.NewApp()
 	app.Name = "runu"
 	app.Usage = usage
 
 	var v []string
+	v = append(v, version)
 	v = append(v, fmt.Sprintf("spec: %s", specs.Version))
 	app.Version = strings.Join(v, "\n")